Hi Mr Karami,
please send your responses to the mailing list such that other people
can follow the discussion.
I mean, Can I have different fluidsystem for top and bottom free flow
domain?(ie, liquidphase fluidsystem for bottom and
gasphase fluidsystem for top)
On Sat, 25 Jul 2020 at 21:23, Mr K <[email protected]
<mailto:[email protected]>> wrote:
I want 2 different phase in each domain with the same navierstokesnc
model.
Can I use one stokesNc domain for these two computational domains?
For what you want to achieve, it seems to me that you need the
three-domain coupling, as the fluid system is a single property that is
set for a TypeTag. At first thought, I can't think of a clean way how to
achieve this with a custom fluid system that is used for both subsets of
your domain, represented by a single Dumux subdomain.
Alternatively, you could maybe try an iterative approach where in each
iteration you solve a two-domain Stokes-Darcy problem, incorporating the
left-out Stokes subdomain via boundary conditions. But, I'm not sure if
this converges (well), and depending on the number of iterations it
might be substantially slower than the monolithic solve.
Good luck!
Dennis
On 25.07.20 23:36, Mr K wrote:
I mean, Can I have different fluidsystem for top and bottom free flow
domain?(ie, liquidphase fluidsystem for bottom and
gasphase fluidsystem for top)
On Sat, 25 Jul 2020 at 21:23, Mr K <[email protected]
<mailto:[email protected]>> wrote:
I want 2 different phase in each domain with the same
navierstokesnc model.
Can I use one stokesNc domain for these two computational domains?
On Sat, 25 Jul 2020 at 13:57, Dennis Gläser
<[email protected]
<mailto:[email protected]>> wrote:
Hey,
of course, if you have the same physics in both stokes
domains, then you can simply use a grid consisting of
different patches. I assumed you have different models of some
sort - i.e. Stokes / stokesnc or similar.
Cheers,
Dennis
On 25.07.20 10:02, Timo Koch wrote:
Hi,
I don‘t think you need 3 models for the dumux multidomain in
your case. You can just use the default setup with a
different grid. As you just have Stokes and Darcy just make a
grid that has some hole/channel spared out (or whatever setup
you want). For that you can use e.g. the subgridmanager with
dune-subgrid.
A grid doesn‘t need to be connected everywhere, it can also
consist of several disconnected patches. You would just need
three domains if you have for example Stokes-Darcy1p-Darcy2p
or something.
Good luck
Timo
Am 25.07.2020 um 09:27 schrieb Dennis Gläser
<[email protected]
<mailto:[email protected]>>:
Hi Mr K,
from your email I understand that you created a second
coupling manager? So you have something like
CouplingManager<DarcyTypeTag, StokesTypeTag1> couplingManager1;
CouplingManager<DarcyTypeTag, StokesTypeTag2> couplingManager2;
?
MultiDomain currently requires a single coupling manager
that knows about all domains, with each domain having a
unique domain id. In general, this can be implemented by
inheriting from two specializations of a two-domain coupling
manager. By specializations I mean specialized for different
pairs of domain ids. An example for this is the
FacetCouplingThreeDomainManager in
https://git.iws.uni-stuttgart.de/dumux-repositories/dumux/-/blob/master/dumux/multidomain/facet/couplingmanager.hh
Besides only inheriting, you need to do some overload
resolution efforts in the dderived three domain coupling
manager. In the above file, you can find examples for all of
this.
For the StokesDarcy two-domain coupling manager, I guess the
missing piece is that the subdomain ids cannot be defined
via template parameters but are hardcoded to 0,1,2. You
could try this locally by simply moving them into the
template arguments and use those wherever the 0,1 or 2 are
hardcoded.
Cheers,
Dennis
On 24.07.20 18:30, Mr K wrote:
Hello,
I want to model porous medium with upper and lower free
flow domain.
I use 2 domain darcy & stokes exercise for doing this.
I copy stokes problem and rename to stokes2 & change
main.cc <http://main.cc> file
In main.cc <http://main.cc>, I struct new coupling manager
with stokes2 TTag.
after making file only first of the stokes type tag
recognized. and raise error for another type tag.
how can I correct this problem?
Is there any example for 3 domain stokes - darcy - stokes ?
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